| 1. | Degenerated triangular prism plate element 三棱柱实体板单元 |
| 2. | Study into visualization of 3d stratum based on triangular prism 一种基于三棱柱的三维地质体可视化方法研究 |
| 3. | Research on incision of triangular prisms in 3d - stratum and calculation of excavated earth volume 三维地层的三棱柱剖分与土方计算 |
| 4. | Evaluates according to the shi shushan ' s standard , the excellent 31 cases ; the good 8 cases , the fair 3 cases 经过保守治疗11例,单节段单侧内固定4例,单节段双侧内固定手术治疗27例,分析从而揭示脊柱三棱柱结构的本质。 |
| 5. | Based on the decomposition of regular tensegrity element , a new element combination method is got . the properties of tensegrity determine the discipline of the process of form finding 并从能量砖块互补原理的角度出发,分解常规三棱柱型张拉整体单元,然后重新组合得出了新的张拉整体结构。 |
| 6. | The simulation results with real aviation remote sensing image show that the improved method effectively keeps the image fractal features and can obtain more accurate fractal dimension 对模拟影像及实际航空遥感影像进行仿真,结果表明:改进后的三棱柱面法较好地保留了遥感影像的分形特性,计算的分形维数也更为准确。 |
| 7. | On the basis of summarizing current fractal dimension algorithms , the random midpoint replacement algorithm was employed to obtain interpolating point according to the fractal features of remote sensing image , so the current widely used triangular prism method was improved 摘要在总结现有分形维数计算方法的基础上,根据遥感影像的分形特性,利用随机中点替代法获取插值点,从而对目前普遍使用的三棱柱面法进行了改进。 |
| 8. | This method takes generalized tri - prism ( gtp ) as primitive modeling element , realizes inference and automatic modeling of geological structure including faults according to characteristics of borehole data and the knowledge inference rule , which can avoid unnecessary manual intervention , extend applicable range and expressing capability of 3d geological modeling 该方法以广义三棱柱作为建模的基本体元,根据钻孔数据的特点和知识推理规则,进行断层等复杂地质构造的推理和自动建模,避免了不必要的人为干预,扩展了钻孔数据建模的适用范围和表现能力。 |
| 9. | According to stratum characteristics , an improved algorithm based on tri - prism model is put forward , in which methods such as core - sequence first are used in process of modeling and the pinch out of stratum is achieved with the insertion of virtual - borehole based on these , simulation of complex overturned stratum is well realized without manual operation 针对地质体的特点,提出一种三棱柱模型的改进算法,将核心序列优先等方法运用于建模过程,同时运用虚拟钻孔柱的方法处理尖灭,在无需人工干预的情况下较好地实现了对复杂地层倒转现象的模拟。 |
| 10. | In order to solve n - s equations , a strategy is presented for generating three - dimensional unstructured viscous grids automatically , which using the advancing - layers method ( alm ) for generating prism or hexahedral grids in viscous dominated flow regions and using the advancing - front method ( afm ) for generating conventional tetrahedral grids in the other field of computational region 在网格生成方面,本文发展了用于navier - stokes ( n - s )方程数值计算的非结构粘性网格的自动生成方法。在物面附近的粘性作用区域内使用推进层方法生成三棱柱或六面体网格,并使用一定的网格生长控制参数实现流场内网格尺寸的平滑过渡。 |